Concrete screw with hexagon head W-BS/S
Concrete screw W-BS steel zinc plated type S
ANC-(W-BS/S)-(A2K)-WS13-15-35-8X80
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- For anchorage in concrete and masonry
- Extremely flexible application thanks to up to three effective anchorage depths (size 6-14)
- Fastening can be adjusted up to two times after installation (size 6-14), for example in order to align railings or anchor plates (please refer to the installation instructions)
- Very high loads
- Very low spacing and edge distances thanks to very low expansion effect
- Very fast and easy installation and immediate load-bearing capacity
European Technical Assessment ETA-16/0043 for individual fixing point, option 1, cracked and uncracked concrete:
- Static and quasi-static action (dia. 6-14)
- Seismic action, performance category C1 (dia. 6-14) and C2 (dia. 8-14)
- Fire resistance R30, R60, R90, R120
European Technical Assessment ETA-23/0196 for anchorage in masonry
- Static and quasi-static action (dia. 5-10)
- Fire resistance R30, R60, R90, R120 (dia. 5-6)
European Technical Assessment ETA-16/0128 for anchors in a redundant non-structural system:
- Cracked and uncracked concrete, (dia. 5 and dia. 6)
- Hollow-core prestressed concrete ceilings C30/37-C50/60, (dia. 6)
- Fire resistance R30, R60, R90, R120
DIBt National technical approval/general type approval Z-21.8-2090 for temporary anchorage in concrete (dia. 10-14, type S hexagon head)
- In reinforced and non-reinforced and cracked and uncracked concrete C20/25 to C50/60
- Use in fresh concrete
- Multiple use
DIBt National technical approval/general type approval Z-21.1-2075 as bonded screw anchor for anchorage in concrete (dia. 10-14, type S hexagon head)
- Use in combination with WIT-BS injectable mortar as WIT-BS bonded screw anchor
- In reinforced and non-reinforced and cracked and uncracked concrete C20/25 to C50/60
Tensile capacity in hollow-core concrete ceilings, (dia. 6-10) - expert report no. 21641 - 2016
Fire resistance rating when exposed to fire according to the standard temperature time curve in masonry (Mz, KSL, KS) and reinforced concrete, (dia. 5 and dia. 6) - expert report no. 2101/173/18 - 2018
From size 8, we recommend the use of a suitable tangential impact driver for installation. The recommended maximum nominal torque must be observed.
When used in masonry, the stone-specific installation data according to ETA-23/0196 must be observed.
Steel supports
Brackets
Adjustment - subsequent aligning possible.
Create the drill hole
Clean the drill hole
Place screw
Screw in the screw
Considered installed when the head is close fitting
Screw out the screw max. 2x each by max. 10 mm. Underlay. Screw in
Considered installed when the head is close fitting. Lining max. 10 mm. The required embedment depth must be maintained as a minimum
Locate the tensioning strand
Mark the tensioning strand and locate the next one
Mark the tensioning strands. Specify the drilling range
Create the drill hole. Observe spacing
Clean the drill hole
Screw in the screw
Considered installed when the head is close fitting. Observe the embedment depth/mirror thickness
European Technical Assessment ETA-16/0043 for individual fixing point, option 1, cracked and uncracked concrete:
- Static and quasi-static action (dia. 6-14)
- Seismic action, performance category C1 (dia. 6-14) and C2 (dia. 8-14)
- Fire resistance R30, R60, R90, R120
European Technical Assessment ETA-23/0196 for anchorage in masonry
- Static and quasi-static action (dia. 5-10)
- Fire resistance R30, R60, R90, R120 (dia. 5-6)
European Technical Assessment ETA-16/0128 for anchors in a redundant non-structural system:
- Cracked and uncracked concrete, (dia. 5 and dia. 6)
- Hollow-core prestressed concrete ceilings C30/37-C50/60, (dia. 6)
- Fire resistance R30, R60, R90, R120
DIBt National technical approval/general type approval Z-21.8-2090 for temporary anchorage in concrete (dia. 10-14, type S hexagon head)
- In reinforced and non-reinforced and cracked and uncracked concrete C20/25 to C50/60
- Use in fresh concrete
- Multiple use
DIBt National technical approval/general type approval Z-21.1-2075 as bonded screw anchor for anchorage in concrete (dia. 10-14, type S hexagon head)
- Use in combination with WIT-BS injectable mortar as WIT-BS bonded screw anchor
- In reinforced and non-reinforced and cracked and uncracked concrete C20/25 to C50/60
Tensile capacity in hollow-core concrete ceilings, (dia. 6-10) - expert report no. 21641 - 2016
Fire resistance rating when exposed to fire according to the standard temperature time curve in masonry (Mz, KSL, KS) and reinforced concrete, (dia. 5 and dia. 6) - expert report no. 2101/173/18 - 2018
Datasheets(X)
CAD data (available after login)
Anchorages in concrete, individual fixing point with approval (dia. 6-14):
In normal weight concrete C20/25 to C50/60 (cracked and uncracked concrete)
Anchors in a redundant non-structural system in concrete, with approval:
- In normal weight concrete C20/25 to C50/60 (cracked and uncracked concrete), (dia. 5 and dia. 6)
- In hollow-core prestressed concrete ceilings C30/37-C50/60, (dia. 6)
Anchorages in masonry with approval (dia. 5-10):
- In solid calcium silicate block and perforated block
- In solid block masonry brick
Suitable for fastening medium to heavy loads in concrete and light to medium loads in masonry:
- Fastening of e.g. metal structures, metal profiles, brackets, base plates, supports, cable trays, pipes, railings, construction site equipment etc. in in-place installation
- Fastenings subject to seismic activity in earthquake-prone areas (only concrete)
- Fastenings subject to exposure to fire
W-BS/S (galvanised steel) may only be used in dry indoor room conditions
Temporary fastening of construction site equipment may be carried out indoors and outdoors
For use in concrete < C20/25 and pressure-resistant natural stone (without approval)
Anchor size | 8 mm |
Anchor length (l) | 80 mm |
Attachment height (t fix 1) | 35 mm |
Attachment height (t fix 2) | 25 mm |
Attachment height (t fix 3) | 15 mm |
Thread diameter | 10 mm |
Nominal drill-bit diameter (d 0) | 8.0 mm |
Drill hole depth (h 1.1) | 55 mm |
Drill hole depth (h 1.2) | 65 mm |
Drill hole depth (h 1.3) | 75 mm |
Embedding depth (h nom1) | 45 mm |
Embedding depth (h nom2) | 55 mm |
Embedding depth (h nom3) | 65 mm |
External drive | WS13 |
Material | Steel |
Surface | Zinc plated |
Washer diameter | 16 mm |
Through-hole in the component to be connected (d f) | 12.0 mm |
Head type | Hexagon head |
Type description | W-BS type S |
| Spacing between tensioning strands and drilled hole | ap ≥ [mm] | 50 |
| Nominal drill ∅ | d0 [mm] | 6 |
| Through hole in the component being connected | df ≤ [mm] | 8 |
| Through hole in the component being connected | df ≤ [mm] | 7 | 8 | 12 | 14 | 16 | 18 | ||||||||||
| Width across flats | [mm] | AF10 | AF13 | AF13 | AF15 | AF17 | AF21 | ||||||||||
| Washer diameter | dw [mm] | 12,5 | 15 | 16 | 20 | 23 | 28 | ||||||||||
| Screw-head height | hn [mm] | 5 | 6 | 9 | 10 | 10 | 12,5 | ||||||||||
| Max. rated torque of tangential impact screwdriver | Timp,max [Nm] | 110 | 160 | 300 | 400 | 650 | 650 | ||||||||||
| 1) For anchors in a redundant non-structural system according to ETA-16/0128 | |||||||||||||||||
| 5 | 35 | 0,66 | 0,91 | 80 | 80 | 40 | 80 | 6 | ||
| 6 | 35 | 0,66 | 0,91 | 80 | 80 | 40 | 80 | 10 | 10 | |
| 6 | 55 | 1,17 | 2,37 | 80 | 80 | 40 | 80 | 10 | 185 | |
| 8 | 45 | 1,8 | 0,91 | 80 | 80 | 40 | 80 | 25 | 300 | |
| 8 | 65 | 1,8 | 2,14 | 80 | 80 | 40 | 80 | 25 | 300 | |
| 10 | 55 | 1,83 | 1,69 | 80 | 80 | 40 | 80 | 45 | 300 | |
| 10 | 75 | 1,91 | 2,44 | 80 | 80 | 40 | 80 | 45 | 300 | |
| 5 | 35 | 0,31 | 0,46 | 58 | 80 | 35 | 58 | 6 | 8 | 100 |
| 6 | 35 | 0,31 | 0,46 | 58 | 80 | 35 | 58 | 11 | 10 | 100 |
| 6 | 55 | 0,31 | 0,46 | 58 | 80 | 35 | 58 | 11 | 100 | |
| 8 | 45 | 0,46 | 0,46 | 58 | 80 | 35 | 58 | 27 | 200 | |
| 8 | 65 | 0,46 | 0,46 | 58 | 80 | 35 | 58 | 27 | 200 | |
| 10 | 55 | 0,63 | 0,63 | 58 | 80 | 35 | 58 | 37 | 200 | |
| 10 | 75 | 0,63 | 0,63 | 58 | 80 | 35 | 58 | 46 | 200 | |
| 5 | 35 | 0,46 | 0,6 | 80 | 80 | 35 | 80 | 2 | 4 | |
| 6 | 35 | 0,46 | 0,6 | 80 | 80 | 35 | 80 | 3 | 9 | |
| 6 | 55 | 0,46 | 0,6 | 80 | 80 | 35 | 80 | 3 | 9 | |
| 8 | 45 | 0,66 | 0,6 | 80 | 80 | 35 | 80 | 16 | 14 | |
| 8 | 65 | 0,66 | 0,6 | 80 | 80 | 35 | 80 | 16 | 14 | |
| 10 | 55 | 0,86 | 0,6 | 80 | 80 | 35 | 80 | 23 | 185 | |
| 10 | 75 | 0,91 | 0,77 | 80 | 80 | 35 | 80 | 23 | 185 | |
| 8 | 65 | 0,17 | 0,66 | 80 | 80 | 35 | 80 | 6 | 10 | |
| 10 | 75 | 0,37 | 0,91 | 80 | 80 | 35 | 80 | 5 | 14 | |
Notes: For further details on compressive strength, spacing, edge distances and installation positions, please refer to ETA-23/0196 To determine the admissible load, the partial safety factor from ETA γM=2.5 was taken into account on the resistance side and a partial safety factor γF=1.4 on the impact side. The specified values apply to an individual anchor in masonry with fvko: 0.15 [N/mm²] and σd: 0.2 [N/mm²]. For combinations of tensile and shear loads, bending torques or reduced spacing and edge distances, please see ETA-23/0196. Documentation for block removal must also be provided. | ||||||||||
| Admissible load under seismic activity performance categories C1 and C2 see European Technical Assessment ETA-16/0043 | C1 | x | x | x | x | x | x | x | ||||||||
| C2 | x | x | x | x | ||||||||||||
| Admissible load when exposed to fire (R30, R60, R90, R120), see European Technical Assessment ETA-16/0043 | ||||||||||||||||
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